CN204313889U - Nozzle flow measurement mechanism - Google Patents
Nozzle flow measurement mechanism Download PDFInfo
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- CN204313889U CN204313889U CN201420815103.9U CN201420815103U CN204313889U CN 204313889 U CN204313889 U CN 204313889U CN 201420815103 U CN201420815103 U CN 201420815103U CN 204313889 U CN204313889 U CN 204313889U
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- measuring cup
- nozzle flow
- measurement mechanism
- flow measurement
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Abstract
The utility model provides a kind of nozzle flow measurement mechanism, comprising: housing (10), and (10) are provided with the first inlet opening to housing; Measuring cup (20), is fixedly installed in housing (10); For measuring the weighing device (30) of liquid weight to be weighed in measuring cup (20), weighing device (30) is connected with measuring cup (20); Conducting device, conducting device has the second place making the primary importance of the first inlet opening and measuring cup (20) conducting and make the first inlet opening and measuring cup (20) not conducting.The technical solution of the utility model can solve the low problem of accuracy that nozzle flow of the prior art is measured effectively.
Description
Technical field
The utility model relates to field of measuring technique, in particular to a kind of nozzle flow measurement mechanism.
Background technology
At present, nozzle is widely used in the industrial circles such as communications and transportation, agricultural production and petrochemical complex.In actual applications, nozzle flow is the important performance characteristic of nozzle.In some cases, need to measure nozzle flow.
In the prior art, imaging technique measurement mechanism is usually adopted to measure nozzle flow.Imaging technique measurement mechanism comprises measuring cup, liquid control device, imaging device and stopwatch etc.Wherein, whether the liquid that liquid control device is used in Control Nozzle enters into measuring cup; Imaging device is used for differentiating the liquid level in measuring cup, thus measures liquid volume; Stopwatch is used for computing time, by measuring the liquid volume in special time, can obtaining the data on flows of nozzle.
But when using above-mentioned measurement mechanism to measure nozzle flow, because the liquid in nozzle is after entering measuring cup, its bubble carried secretly is not easily eliminated, and imaging technique is difficult to the liquid level in fine-resolution measuring cup, thus affects the accuracy of the volume data of liquid.In addition, enter in the process of measuring cup at liquid, be easily attached on measuring cup inwall, so also can affect the accuracy of the volume data of liquid.Above-mentioned volume data measuring error can cause the accuracy to nozzle flow is measured greatly to reduce.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of nozzle flow measurement mechanism, with the problem that the accuracy solving nozzle flow of the prior art measurement is low.
To achieve these goals, the utility model provides a kind of nozzle flow measurement mechanism, comprising: housing, housing is provided with the first inlet opening; Measuring cup, is fixedly installed in housing; For measuring the weighing device of liquid weight to be weighed in measuring cup, weighing device is connected with measuring cup; Conducting device, conducting device has the second place making the primary importance of the first inlet opening and measuring cup conducting and make the first inlet opening and measuring cup not conducting.
Further, nozzle flow measurement mechanism also comprises: commutation board, is arranged in housing rotationally, commutation board has the second inlet opening, and conducting device is arranged on the second inlet opening place; Commutation board drive unit, is connected with commutation board, and drives commutation board to rotate, and conducting device is moved between the first location and the second location.
Further, be provided with supporting disk in housing, supporting disk between the first inlet opening and measuring cup, and is connected with the inner circumferential sidewall of housing, and commutation board is arranged between supporting disk and measuring cup rotationally.
Further, commutation board drive unit comprises: rotating shaft, is located on supporting disk rotationally, and the first end of rotating shaft is fixedly connected with commutation board; Drive cylinder, drive the first end of cylinder to be arranged on rotationally on supporting disk; Connecting rod, the first end of connecting rod is fixedly connected with the second end of rotating shaft, and the second end of connecting rod is connected rotationally with driving the second end of cylinder.
Further, the inside surface of commutation board is provided with hole for back flow, the inside surface of commutation board is dip plane, and hole for back flow is positioned at the lowest part of dip plane.
Further, nozzle flow measurement mechanism also comprises liquid withdrawal system, and liquid withdrawal system comprises the liquids recovery funnel be arranged on below hole for back flow and the liquid recovery tank be arranged on below liquids recovery funnel.
Further, liquid withdrawal system also comprises the liquids recovery valve be arranged on bottom measuring cup, and liquids recovery valve is positioned at the top of liquid recovery tank.
Further, measuring cup is multiple, and multiple measuring cup is arranged along the circumference distribution of commutation board, and the first inlet opening and conducting device are corresponding with measuring cup multiple.
Further, conducting device is conduction pipe.
Further, nozzle flow measurement mechanism also comprises feed tube, and the first end of feed tube is connected with the first inlet opening, and the second end of feed tube is towards the measuring cup of correspondence.
Further, weighing device comprises LOAD CELLS, and nozzle flow measurement mechanism also comprises the controller be connected with LOAD CELLS.
Application the technical solution of the utility model, arranges measuring cup, weighing device and conducting device in housing.Wherein, weighing device is connected with measuring cup and for measuring the liquid weight to be weighed in measuring cup.When carrying out nozzle flow and measuring, conducting device is placed in primary importance, makes the first inlet opening on housing and measuring cup conducting, the liquid that nozzle flows out enters into measuring cup by the first inlet opening.After feed liquor process lasts a period of time, conducting device is placed in the second place, make the first inlet opening on housing and measuring cup not conducting, barrier liquid enters into measuring cup, thus stops feed liquor.After this, by weighing device, the liquid weight to be weighed in measuring cup is measured, thus obtain liquid weight data.Duration in conjunction with aforesaid liquid weight data and measuring cup influent can draw nozzle flow data.Measure because the application carries out flow by weight and time, the factor impact such as be not subject to bubble, stick, therefore, it is possible to effectively improve the accuracy of measurement.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the schematic top plan view of the embodiment according to nozzle flow measurement mechanism of the present utility model; And
Fig. 2 shows the A-A of the nozzle flow measurement mechanism of Fig. 1 to cross-sectional schematic.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, housing; 20, measuring cup; 30, weighing device; 40, commutation board; 50, commutation board drive unit; 51, rotating shaft; 52, cylinder is driven; 53, connecting rod; 60, conduction pipe; 70, supporting disk; 81, liquids recovery funnel; 82, liquids recovery valve; 90, feed tube.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As depicted in figs. 1 and 2, the nozzle flow measurement mechanism of the present embodiment comprise housing 10, measuring cup 20, for measuring weighing device 30 and the conducting device of liquid weight to be weighed in measuring cup 20.Wherein, housing 10 is provided with the first inlet opening, measuring cup 20 is fixedly installed in housing 10, and weighing device 30 is connected with measuring cup 20.Conducting device has the second place making the primary importance of the first inlet opening and measuring cup 20 conducting and make the first inlet opening and measuring cup 20 not conducting.
The nozzle flow measurement mechanism of application the present embodiment, arranges measuring cup 20, weighing device 30 and conducting device in housing 10.Wherein, weighing device 30 is connected with measuring cup 20 and for measuring the liquid weight to be weighed in measuring cup 20.When carrying out nozzle flow and measuring, conducting device is placed in primary importance, makes the first inlet opening on housing 10 and measuring cup 20 conducting, the liquid that nozzle flows out enters into measuring cup 20 by the first inlet opening.After feed liquor process lasts a period of time, conducting device is placed in the second place, make the first inlet opening on housing 10 and measuring cup 20 not conducting, barrier liquid enters into measuring cup 20, thus stops feed liquor.After this, measured by the liquid weight to be weighed in weighing device 30 pairs of measuring cups 20, thus obtain liquid weight data.Duration in conjunction with aforesaid liquid weight data and measuring cup influent can draw nozzle flow data.Measure because the application carries out flow by weight and time, the factor impact such as be not subject to bubble, stick, therefore, it is possible to effectively improve the accuracy of measurement.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, nozzle flow measurement mechanism also comprises commutation board 40 and commutation board drive unit 50.Wherein, commutation board 40 is arranged in housing 10 rotationally, commutation board 40 has the second inlet opening, and conducting device is arranged on the second inlet opening place.Commutation board drive unit 50 is connected with commutation board 40, and drives commutation board 40 to rotate, and conducting device is moved between the first location and the second location.Conducting device is arranged on above-mentioned commutation board 40, and under the driving of commutation board drive unit 50, moves between the first location and the second location, thus controls the first inlet opening and measuring cup 20 conducting or not conducting.Said structure strong operability, and structure is simple, is easy to realize.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, be provided with supporting disk 70 in housing 10, supporting disk 70 is between the first inlet opening and measuring cup 20, and be connected with the inner circumferential sidewall of housing 10, commutation board 40 is arranged between supporting disk 70 and measuring cup 20 rotationally.Commutation board drive unit 50 comprises rotating shaft 51, drives cylinder 52 and connecting rod 53.Wherein, rotating shaft 51 is located on supporting disk 70 rotationally, and the first end of rotating shaft 51 is fixedly connected with commutation board 40.The first end of cylinder 52 is driven to be arranged on rotationally on supporting disk 70.The first end of connecting rod 53 is fixedly connected with the second end of rotating shaft 51, and the second end of connecting rod 53 is connected rotationally with driving the second end of cylinder 52.
Particularly, in commutation board drive unit 50, drive the first end of cylinder 52 to be arranged on supporting disk 70 rotationally, drive the second end of cylinder 52 and the second end of connecting rod 53 to be rotatably connected, and the first end of connecting rod 53 is fixedly connected with the second end of rotating shaft 51.After the gas in electrical system enters into driving cylinder 52, make driving cylinder 52 start to do stretching motion, thus drivening rod 53 is at horizontal rotation in surface, and then drives rotating shaft 51 to rotate along its axis.Because the first end of rotating shaft 51 is fixedly connected with commutation board 40, commutation board 40 can rotate along the axis of rotating shaft 51.Said structure can drive commutation board 40 to rotate, and in addition, supporting disk 70 plays the effect of support to commutation disk drive device 50 and commutation board 40.
It should be noted that, in above-mentioned electrical system, the source of the gas of gas is original pressurized air networking, workshop.Gas, after source of the gas three linked piece (comprising air strainer, reduction valve and oil sprayer) process, by the control of solenoid directional control valve, enters into and drives cylinder 52, thus drives the action of commutation board drive unit 50, and then commutation board 40 is rotated.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, the inside surface of commutation board 40 is provided with hole for back flow, the inside surface of commutation board 40 is dip plane, and hole for back flow is positioned at the lowest part of dip plane.Nozzle flow measurement mechanism also comprises liquid withdrawal system, and liquid withdrawal system comprises the liquids recovery funnel 81 be arranged on below hole for back flow and the liquid recovery tank (not shown) be arranged on below liquids recovery funnel 81.At the end of not carrying out nozzle flow measurement or measurement, the conducting device on commutation board 40 is positioned at the second place making the first inlet opening and measuring cup 20 not conducting, and the liquid that nozzle flows out is flowed directly on commutation board 40 by the first inlet opening.Under the effect of above-mentioned dip plane, flow direction hole for back flow, and flow in liquid recovery tank by liquids recovery funnel 81.Said structure achieves recycling of nozzle liquid, avoids waste.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, liquid withdrawal system also comprises the liquids recovery valve 82 be arranged on bottom measuring cup 20, and liquids recovery valve 82 is positioned at the top of liquid recovery tank.After nozzle flow measurement terminates, the liquids recovery valve 82 bottom measuring cup 20 can be opened, make liquid flow back to liquid recovery tank, thus the effect of recovery is played to nozzle liquid.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, measuring cup 20 is multiple, and multiple measuring cup 20 is arranged along the circumference distribution of commutation board 40, and the first inlet opening and conducting device are corresponding with measuring cup 20 multiple.Measuring cup 20, first inlet opening and conducting device are set to multiple, can realize testing multiple shunt volumes of nozzle flow simultaneously, thus can compare the measurement result of each shunt volume, or the measurement result of multiple shunt volume is averaged.Said structure can improve the accuracy that nozzle flow is measured effectively.In the present embodiment, measuring cup 20 is nine, and nine measuring cups 20 are distributed in φ 460mm circumferentially.It should be noted that, the quantity of measuring cup 20 can adjust as required, and the large I of the circumference that measuring cup 20 distributes adjusts according to the size of measuring cup 20.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, conducting device is conduction pipe 60.Conduction pipe 60 structure is simple, easy for installation.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, nozzle flow measurement mechanism also comprises feed tube 90, and the first end of feed tube 90 is connected with the first inlet opening, and the second end of feed tube 90 is towards the measuring cup 20 of correspondence.Feed tube 90 can make liquid directly enter into measuring cup 20 under supporting disk 70 or commutation board 40, can prevent liquid from spilling and cause the loss in weight, thus ensure that the accuracy that nozzle flow is measured, in turn ensure that the cleanliness of nozzle flow measurement mechanism simultaneously.
As depicted in figs. 1 and 2, in the nozzle flow measurement mechanism of the present embodiment, weighing device 30 comprises LOAD CELLS, and nozzle flow measurement mechanism also comprises the controller be connected with LOAD CELLS.When carrying out weighing measurement, the weight of LOAD CELLS to testing liquid is measured, and sends induced signal to connected controller, and controller carries out the display of weighing results according to the induced signal received.In the present embodiment, test period can be set by controller in advance.Controller can control commutation disk drive device 50 according to the above-mentioned time
From above description, can find out, the utility model the above embodiments achieve following technique effect: when carrying out nozzle flow and measuring, said nozzle flow measurement device can realize the measurement to nozzle liquid weight, accuracy is high, automaticity is high, can work on steady and continuous ground, reliability is high.Meanwhile, there is good operability, maintainability and security performance.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (11)
1. a nozzle flow measurement mechanism, is characterized in that, comprising:
Housing (10), (10) are provided with the first inlet opening to described housing;
Measuring cup (20), is fixedly installed in described housing (10);
For measuring the weighing device (30) of liquid weight to be weighed in described measuring cup (20), described weighing device (30) is connected with described measuring cup (20);
Conducting device, described conducting device has the second place making the primary importance of described first inlet opening and described measuring cup (20) conducting and make described first inlet opening and described measuring cup (20) not conducting.
2. nozzle flow measurement mechanism according to claim 1, is characterized in that, described nozzle flow measurement mechanism also comprises:
Commutation board (40), be arranged in described housing (10) rotationally, (40) have the second inlet opening to described commutation board, and described conducting device is arranged on described second inlet opening place;
Commutation board drive unit (50), is connected with described commutation board (40), and drives described commutation board (40) to rotate, and described conducting device is moved between described primary importance and the described second place.
3. nozzle flow measurement mechanism according to claim 2, it is characterized in that, supporting disk (70) is provided with in described housing (10), described supporting disk (70) is positioned between described first inlet opening and described measuring cup (20), and be connected with the inner circumferential sidewall of described housing (10), described commutation board (40) is arranged between described supporting disk (70) and described measuring cup (20) rotationally.
4. nozzle flow measurement mechanism according to claim 3, is characterized in that, described commutation board drive unit (50) comprising:
Rotating shaft (51), is located on described supporting disk (70) rotationally, and the first end of described rotating shaft (51) is fixedly connected with described commutation board (40);
Drive cylinder (52), the first end of described driving cylinder (52) is arranged on described supporting disk (70) rotationally;
Connecting rod (53), the first end of described connecting rod (53) is fixedly connected with the second end of described rotating shaft (51), and the second end of described connecting rod (53) is connected rotationally with the second end of described driving cylinder (52).
5. nozzle flow measurement mechanism according to claim 4, it is characterized in that, the inside surface of described commutation board (40) is provided with hole for back flow, and the inside surface of described commutation board (40) is dip plane, and described hole for back flow is positioned at the lowest part of described dip plane.
6. nozzle flow measurement mechanism according to claim 5, it is characterized in that, described nozzle flow measurement mechanism also comprises liquid withdrawal system, and described liquid withdrawal system comprises the liquids recovery funnel (81) be arranged on below described hole for back flow and the liquid recovery tank being arranged on described liquids recovery funnel (81) below.
7. nozzle flow measurement mechanism according to claim 6, it is characterized in that, described liquid withdrawal system also comprises the liquids recovery valve (82) being arranged on described measuring cup (20) bottom, and described liquids recovery valve (82) is positioned at the top of described liquid recovery tank.
8. nozzle flow measurement mechanism according to claim 7, it is characterized in that, described measuring cup (20) is for multiple, multiple described measuring cup (20) is arranged along the circumference distribution of described commutation board (40), and described first inlet opening and described conducting device are corresponding with described measuring cup (20) multiple.
9. nozzle flow measurement mechanism according to claim 2, is characterized in that, described conducting device is conduction pipe (60).
10. nozzle flow measurement mechanism according to claim 8, it is characterized in that, described nozzle flow measurement mechanism also comprises feed tube (90), the first end of described feed tube (90) is connected with described first inlet opening, and the second end of described feed tube (90) is towards the described measuring cup (20) of correspondence.
11. nozzle flow measurement mechanisms according to claim 1, it is characterized in that, described weighing device (30) comprises LOAD CELLS, described nozzle flow measurement mechanism also comprises the controller be connected with described LOAD CELLS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815103.9U CN204313889U (en) | 2014-12-19 | 2014-12-19 | Nozzle flow measurement mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420815103.9U CN204313889U (en) | 2014-12-19 | 2014-12-19 | Nozzle flow measurement mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN204313889U true CN204313889U (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420815103.9U Active CN204313889U (en) | 2014-12-19 | 2014-12-19 | Nozzle flow measurement mechanism |
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| CN (1) | CN204313889U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388016A (en) * | 2015-10-28 | 2016-03-09 | 中国南方航空工业(集团)有限公司 | Commutation device for slide oil flow tester and slide oil flow tester |
| CN106289416A (en) * | 2016-08-16 | 2017-01-04 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of critical Venturi nozzle method of calculating flux |
-
2014
- 2014-12-19 CN CN201420815103.9U patent/CN204313889U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105388016A (en) * | 2015-10-28 | 2016-03-09 | 中国南方航空工业(集团)有限公司 | Commutation device for slide oil flow tester and slide oil flow tester |
| CN105388016B (en) * | 2015-10-28 | 2018-01-12 | 中国南方航空工业(集团)有限公司 | Reversing arrangement and oil flow exerciser for oil flow exerciser |
| CN106289416A (en) * | 2016-08-16 | 2017-01-04 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of critical Venturi nozzle method of calculating flux |
| CN106289416B (en) * | 2016-08-16 | 2019-03-22 | 中国航空工业集团公司沈阳发动机设计研究所 | A kind of critical Venturi nozzle method of calculating flux |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |